Lowepro Flipside Trek BP 350 AW vs Solgaard Venture Backpack Medium
The Lowepro Flipside Trek BP 350 AW is 17L and 1.4kg3.1lb; the Solgaard Venture Backpack Medium is 17L and 1.3kg2.9lb. The Solgaard Venture Backpack Medium is 0.1kg0.2lb lighter. The Solgaard Venture Backpack Medium costs $34 less. The Lowepro Flipside Trek BP 350 AW fits the carry-on limit of 35 of 36 major airlines and the Solgaard Venture Backpack Medium fits 36; under the seat, 0 and 8 of 26.
| Spec | Lowepro Flipside Trek BP 350 AW | Solgaard Venture Backpack Medium |
|---|---|---|
| Price | $279 | $245Best |
| Volume | 17L | 17L |
| Expands to | n/a | 27L |
| Weight | 1.4kg3.1lb | 1.3kg2.9lbBest |
| Carry-on compliance | 97% | 100%Best |
| Personal-item compliance | 0% | 31%Best |
| Dimensions | 51×28×20cm20×11×8in | 43×27×18cm17×10.5×7in |
| Laptop | no laptop sleeve | 16" |
| Compartments | 2 | 3 |
| Bottle pockets | n/a | 2 |
| Opening | Panel access, body-side + top | front compartment opens fully |
| Warranty | n/a | 2 years |
| Organizer | No | Yes |
| Shoe compartment | No | Yes |
| Hydration sleeve | No | No |
| Frame sheet | No | No |
| Water-resistant | No | No |
| Rain cover | Yes | No |
| MOLLE | No | No |
| Hip belt | No | No |
| Sternum strap | No | Yes |
| Load lifters | No | No |
| Shoulder strap | No | No |
| Luggage pass-through | No | Yes |
| Camera compartment | Yes | No |
| Material | nylon | Shore-Tex recycled ocean-bound plastic fabric |
| Last checked | 2026-09 | 2026-09 |
Where their airline fit differs
| Airline | Limit | Lowepro Flipside Trek BP 350 AW | Solgaard Venture Backpack Medium |
|---|---|---|---|
| Allegiant Air | Personal item | Too big | Fits |
| American Airlines | Personal item | Too big | Fits |
| British Airways | Personal item | Too big | Fits |
| easyJet | Personal item | Too big | Fits |
| Frontier Airlines | Personal item | Too big | Fits |
| JetBlue Airways | Personal item | Too big | Fits |
| LATAM Airlines | Personal item | Too big | Fits |
| Qatar Airways | Carry-on | Too big | Fits |
| Volaris | Personal item | Too big | Fits |
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Specs come from each brand's own product page. Fit uses listed dimensions in any orientation. How we score carry-on fit.